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Dioon Species: Dioon Plants, Dioon Seedlings and Dioon Seeds

Dioon Species Dioons are drought-resistant plants, rare cycads native to Mexico and Central America. Most Dioon plants have grey or blue-green leaves and fine leaflets. We offer a variety of Dioon plants including varieties of Dioon edule and Dioon merolae.

The name Dioon comes from the Greek meaning "two eggs" and refers to these rare plants’ female cones, which have two seeds attached to each sporophyll. Many species of in the genus Dioon come from the deserts and mountains of Mexico, meaning they are heat-tolerant, cold-tolerant and drought-resistant plants.

Three exceptions to this rule are Dioon mejiae (from Honduras) and Dioon spinulosum and Dioon rzedowskii (both from Mexico). Those three species are subtropical, growing taller, with wider, darker green leaflets, and prefer humidity and some afternoon shade.

Currently these plants are available for sale in the USA only.


Please Note: All sales are limited to items available in stock
at the time of your purchase and are subject to prior sale.
If an "Add to Cart" button is not present, the item may not be in stock.



You’ll notice we list and price cycads by their caudex size (diameter in inches). The caudex is a cycad’s woody, bulblike trunk. Caudex diameter is a good measure of a cycad's age. The chart below can give you a rough idea of how this translates to pot size.

Caudex Size
Container Size
Up to 1 Inch 1-2 Gallon
1 Inch to 3 Inch 3-5 Gallon
3 Inches to 7 Inches 15 Gallon
7 Inches and Up 24 Inch Box


To verify an item is in stock, please click the "Add to Cart" button.
If "Add to Cart" button is not present, the item may not be in stock.

Also, please note that no sale coupon, credit or voucher may be
combined with any other sale term or special. If an item is purchased
using such a "double discount," we reserve the right to either cancel
the order, or modify it to give you the more favorable single discount.

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Dioon Species